Food serving tray



FIG. 1 is a top front perspective view of the food serving tray showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front plan view thereof;

FIG. 4 is a side plan view of the right side of the food serving tray, the left side being a mirror image thereof;

FIG. 5 is a back plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines in the drawings form a boundary of the claimed design. 

The ornamental design for a food serving tray, as shown and described. 